Commit | Line | Data |
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53cdc686 JA |
1 | #include <unistd.h> |
2 | #include <fcntl.h> | |
3 | #include <string.h> | |
4 | #include <assert.h> | |
bbf6b540 | 5 | #include <dirent.h> |
53cdc686 JA |
6 | #include <sys/stat.h> |
7 | #include <sys/mman.h> | |
bbf6b540 | 8 | #include <sys/types.h> |
53cdc686 JA |
9 | |
10 | #include "fio.h" | |
53cdc686 | 11 | |
7bb48f84 | 12 | static int extend_file(struct thread_data *td, struct fio_file *f) |
25205e97 | 13 | { |
ea443657 | 14 | int r, new_layout = 0, unlink_file = 0, flags; |
25205e97 JA |
15 | unsigned long long left; |
16 | unsigned int bs; | |
17 | char *b; | |
b2a15192 | 18 | |
507a702f JA |
19 | /* |
20 | * check if we need to lay the file out complete again. fio | |
21 | * does that for operations involving reads, or for writes | |
22 | * where overwrite is set | |
23 | */ | |
24 | if (td_read(td) || (td_write(td) && td->o.overwrite)) | |
25 | new_layout = 1; | |
ea443657 JA |
26 | if (td_write(td) && !td->o.overwrite) |
27 | unlink_file = 1; | |
507a702f | 28 | |
ea443657 | 29 | if ((unlink_file || new_layout) && (f->flags & FIO_FILE_EXISTS)) { |
7bb48f84 JA |
30 | if (unlink(f->file_name) < 0) { |
31 | td_verror(td, errno, "unlink"); | |
32 | return 1; | |
33 | } | |
34 | } | |
35 | ||
507a702f JA |
36 | flags = O_WRONLY | O_CREAT; |
37 | if (new_layout) | |
38 | flags |= O_TRUNC; | |
39 | ||
40 | f->fd = open(f->file_name, flags, 0644); | |
53cdc686 | 41 | if (f->fd < 0) { |
e1161c32 | 42 | td_verror(td, errno, "open"); |
53cdc686 JA |
43 | return 1; |
44 | } | |
45 | ||
7bb48f84 | 46 | if (ftruncate(f->fd, f->real_file_size) == -1) { |
e1161c32 | 47 | td_verror(td, errno, "ftruncate"); |
53cdc686 JA |
48 | goto err; |
49 | } | |
50 | ||
e8be2ad7 JA |
51 | if (!new_layout) |
52 | goto done; | |
53 | ||
7bb48f84 | 54 | if (posix_fallocate(f->fd, 0, f->real_file_size) < 0) { |
e1161c32 | 55 | td_verror(td, errno, "posix_fallocate"); |
40f8298c JA |
56 | goto err; |
57 | } | |
58 | ||
2dc1bbeb JA |
59 | b = malloc(td->o.max_bs[DDIR_WRITE]); |
60 | memset(b, 0, td->o.max_bs[DDIR_WRITE]); | |
53cdc686 | 61 | |
7bb48f84 | 62 | left = f->real_file_size; |
53cdc686 | 63 | while (left && !td->terminate) { |
2dc1bbeb | 64 | bs = td->o.max_bs[DDIR_WRITE]; |
53cdc686 JA |
65 | if (bs > left) |
66 | bs = left; | |
67 | ||
68 | r = write(f->fd, b, bs); | |
69 | ||
70 | if (r == (int) bs) { | |
71 | left -= bs; | |
72 | continue; | |
73 | } else { | |
74 | if (r < 0) | |
e1161c32 | 75 | td_verror(td, errno, "write"); |
53cdc686 | 76 | else |
e1161c32 | 77 | td_verror(td, EIO, "write"); |
53cdc686 JA |
78 | |
79 | break; | |
80 | } | |
81 | } | |
82 | ||
83 | if (td->terminate) | |
84 | unlink(f->file_name); | |
2dc1bbeb | 85 | else if (td->o.create_fsync) |
53cdc686 JA |
86 | fsync(f->fd); |
87 | ||
88 | free(b); | |
507a702f | 89 | done: |
53cdc686 JA |
90 | close(f->fd); |
91 | f->fd = -1; | |
92 | return 0; | |
93 | err: | |
94 | close(f->fd); | |
95 | f->fd = -1; | |
96 | return 1; | |
97 | } | |
98 | ||
7bb48f84 | 99 | static unsigned long long get_rand_file_size(struct thread_data *td) |
9c60ce64 | 100 | { |
9c60ce64 JA |
101 | unsigned long long ret; |
102 | long r; | |
103 | ||
9c60ce64 | 104 | r = os_random_long(&td->file_size_state); |
7bb48f84 | 105 | ret = td->o.file_size_low + (unsigned long long) ((double) td->o.file_size_high * (r / (RAND_MAX + 1.0))); |
2dc1bbeb | 106 | ret -= (ret % td->o.rw_min_bs); |
9c60ce64 JA |
107 | return ret; |
108 | } | |
109 | ||
53cdc686 JA |
110 | static int file_size(struct thread_data *td, struct fio_file *f) |
111 | { | |
112 | struct stat st; | |
113 | ||
7bb48f84 JA |
114 | if (fstat(f->fd, &st) == -1) { |
115 | td_verror(td, errno, "fstat"); | |
116 | return 1; | |
117 | } | |
53cdc686 | 118 | |
7bb48f84 | 119 | f->real_file_size = st.st_size; |
53cdc686 JA |
120 | return 0; |
121 | } | |
122 | ||
123 | static int bdev_size(struct thread_data *td, struct fio_file *f) | |
124 | { | |
125 | unsigned long long bytes; | |
126 | int r; | |
127 | ||
128 | r = blockdev_size(f->fd, &bytes); | |
129 | if (r) { | |
e1161c32 | 130 | td_verror(td, r, "blockdev_size"); |
53cdc686 JA |
131 | return 1; |
132 | } | |
133 | ||
134 | f->real_file_size = bytes; | |
53cdc686 JA |
135 | return 0; |
136 | } | |
137 | ||
138 | static int get_file_size(struct thread_data *td, struct fio_file *f) | |
139 | { | |
140 | int ret = 0; | |
141 | ||
409b3417 JA |
142 | if (f->flags & FIO_SIZE_KNOWN) |
143 | return 0; | |
144 | ||
7bb48f84 JA |
145 | if (f->filetype == FIO_TYPE_FILE) |
146 | ret = file_size(td, f); | |
147 | else if (f->filetype == FIO_TYPE_BD) | |
53cdc686 JA |
148 | ret = bdev_size(td, f); |
149 | else | |
150 | f->real_file_size = -1; | |
151 | ||
152 | if (ret) | |
153 | return ret; | |
154 | ||
155 | if (f->file_offset > f->real_file_size) { | |
2dc1bbeb | 156 | log_err("%s: offset extends end (%Lu > %Lu)\n", td->o.name, f->file_offset, f->real_file_size); |
53cdc686 JA |
157 | return 1; |
158 | } | |
159 | ||
409b3417 | 160 | f->flags |= FIO_SIZE_KNOWN; |
53cdc686 JA |
161 | return 0; |
162 | } | |
163 | ||
e5b401d4 JA |
164 | int file_invalidate_cache(struct thread_data *td, struct fio_file *f) |
165 | { | |
166 | int ret = 0; | |
167 | ||
2dc1bbeb | 168 | if (td->o.odirect) |
b5af8293 JA |
169 | return 0; |
170 | ||
e5b401d4 JA |
171 | /* |
172 | * FIXME: add blockdev flushing too | |
173 | */ | |
b5af8293 | 174 | if (f->mmap) |
7bb48f84 | 175 | ret = madvise(f->mmap, f->io_size, MADV_DONTNEED); |
467d1b6b | 176 | else if (f->filetype == FIO_TYPE_FILE) |
7bb48f84 | 177 | ret = fadvise(f->fd, f->file_offset, f->io_size, POSIX_FADV_DONTNEED); |
7e0e25c9 | 178 | else if (f->filetype == FIO_TYPE_BD) { |
b5af8293 | 179 | ret = blockdev_invalidate_cache(f->fd); |
7e0e25c9 JA |
180 | if (ret < 0 && errno == EACCES && geteuid()) { |
181 | log_err("fio: only root may flush block devices. Cache flush bypassed!\n"); | |
182 | ret = 0; | |
183 | } | |
184 | } else if (f->filetype == FIO_TYPE_CHAR) | |
e5b401d4 JA |
185 | ret = 0; |
186 | ||
187 | if (ret < 0) { | |
e1161c32 | 188 | td_verror(td, errno, "invalidate_cache"); |
e5b401d4 JA |
189 | return 1; |
190 | } | |
191 | ||
ad2da605 | 192 | return ret; |
e5b401d4 JA |
193 | } |
194 | ||
b5af8293 | 195 | void generic_close_file(struct thread_data fio_unused *td, struct fio_file *f) |
53cdc686 | 196 | { |
b5af8293 JA |
197 | close(f->fd); |
198 | f->fd = -1; | |
53cdc686 JA |
199 | } |
200 | ||
b5af8293 | 201 | int generic_open_file(struct thread_data *td, struct fio_file *f) |
53cdc686 | 202 | { |
53cdc686 JA |
203 | int flags = 0; |
204 | ||
2dc1bbeb | 205 | if (td->o.odirect) |
2fd233b7 | 206 | flags |= OS_O_DIRECT; |
2dc1bbeb | 207 | if (td->o.sync_io) |
2fd233b7 | 208 | flags |= O_SYNC; |
53cdc686 | 209 | |
2fd233b7 JA |
210 | if (td_write(td) || td_rw(td)) { |
211 | flags |= O_RDWR; | |
53cdc686 | 212 | |
af52b345 | 213 | if (f->filetype == FIO_TYPE_FILE) |
2fd233b7 | 214 | flags |= O_CREAT; |
2fd233b7 | 215 | |
b5af8293 | 216 | f->fd = open(f->file_name, flags, 0600); |
2fd233b7 | 217 | } else { |
af52b345 | 218 | if (f->filetype == FIO_TYPE_CHAR) |
2fd233b7 JA |
219 | flags |= O_RDWR; |
220 | else | |
221 | flags |= O_RDONLY; | |
222 | ||
b5af8293 | 223 | f->fd = open(f->file_name, flags); |
53cdc686 JA |
224 | } |
225 | ||
226 | if (f->fd == -1) { | |
e4e33258 | 227 | char buf[FIO_VERROR_SIZE]; |
e1161c32 JA |
228 | int __e = errno; |
229 | ||
e4e33258 JA |
230 | snprintf(buf, sizeof(buf) - 1, "open(%s)", f->file_name); |
231 | ||
232 | td_verror(td, __e, buf); | |
53cdc686 JA |
233 | } |
234 | ||
b5af8293 JA |
235 | if (get_file_size(td, f)) |
236 | goto err; | |
237 | ||
53cdc686 | 238 | return 0; |
b5af8293 JA |
239 | err: |
240 | close(f->fd); | |
241 | return 1; | |
242 | } | |
243 | ||
21972cde JA |
244 | int open_files(struct thread_data *td) |
245 | { | |
246 | struct fio_file *f; | |
af52b345 JA |
247 | unsigned int i; |
248 | int err = 0; | |
21972cde JA |
249 | |
250 | for_each_file(td, f, i) { | |
b5af8293 | 251 | err = td_io_open_file(td, f); |
9bf27b45 JA |
252 | if (err) { |
253 | if (td->error == EMFILE) { | |
254 | log_err("fio: limited open files to: %d\n", td->nr_open_files); | |
255 | td->o.open_files = td->nr_open_files; | |
256 | err = 0; | |
257 | clear_error(td); | |
258 | } | |
21972cde | 259 | break; |
9bf27b45 | 260 | } |
b5af8293 | 261 | |
2dc1bbeb | 262 | if (td->o.open_files == td->nr_open_files) |
b5af8293 | 263 | break; |
21972cde JA |
264 | } |
265 | ||
7abf833d JA |
266 | if (!err) |
267 | return 0; | |
268 | ||
bdb4e2e9 | 269 | for_each_file(td, f, i) |
b5af8293 | 270 | td_io_close_file(td, f); |
7abf833d | 271 | |
21972cde JA |
272 | return err; |
273 | } | |
274 | ||
7bb48f84 JA |
275 | /* |
276 | * open/close all files, so that ->real_file_size gets set | |
277 | */ | |
bab3fd58 | 278 | static int get_file_sizes(struct thread_data *td) |
7bb48f84 JA |
279 | { |
280 | struct fio_file *f; | |
281 | unsigned int i; | |
bab3fd58 | 282 | int err = 0; |
7bb48f84 JA |
283 | |
284 | for_each_file(td, f, i) { | |
bab3fd58 | 285 | if (td->io_ops->open_file(td, f)) { |
40b44f4a JA |
286 | if (td->error != ENOENT) { |
287 | log_err("%s\n", td->verror); | |
288 | err = 1; | |
289 | } | |
541d66d7 | 290 | clear_error(td); |
bab3fd58 | 291 | } else |
000b0803 | 292 | td->io_ops->close_file(td, f); |
409b3417 JA |
293 | |
294 | if (f->real_file_size == -1ULL && td->o.size) | |
295 | f->real_file_size = td->o.size / td->o.nr_files; | |
7bb48f84 | 296 | } |
bab3fd58 JA |
297 | |
298 | return err; | |
7bb48f84 JA |
299 | } |
300 | ||
301 | /* | |
302 | * Open the files and setup files sizes, creating files if necessary. | |
303 | */ | |
53cdc686 JA |
304 | int setup_files(struct thread_data *td) |
305 | { | |
7bb48f84 | 306 | unsigned long long total_size, extend_size; |
53cdc686 | 307 | struct fio_file *f; |
af52b345 | 308 | unsigned int i; |
000b0803 | 309 | int err = 0, need_extend; |
53cdc686 JA |
310 | |
311 | /* | |
312 | * if ioengine defines a setup() method, it's responsible for | |
7bb48f84 JA |
313 | * opening the files and setting f->real_file_size to indicate |
314 | * the valid range for that file. | |
53cdc686 JA |
315 | */ |
316 | if (td->io_ops->setup) | |
7bb48f84 JA |
317 | err = td->io_ops->setup(td); |
318 | else | |
bab3fd58 | 319 | err = get_file_sizes(td); |
53cdc686 | 320 | |
f1027063 JA |
321 | if (err) |
322 | return err; | |
323 | ||
0a7eb121 | 324 | /* |
7bb48f84 JA |
325 | * check sizes. if the files/devices do not exist and the size |
326 | * isn't passed to fio, abort. | |
0a7eb121 | 327 | */ |
7bb48f84 JA |
328 | total_size = 0; |
329 | for_each_file(td, f, i) { | |
330 | if (f->real_file_size == -1ULL) | |
331 | total_size = -1ULL; | |
332 | else | |
333 | total_size += f->real_file_size; | |
334 | } | |
0a7eb121 | 335 | |
7bb48f84 JA |
336 | /* |
337 | * device/file sizes are zero and no size given, punt | |
338 | */ | |
409b3417 | 339 | if ((!total_size || total_size == -1ULL) && !td->o.size) { |
7bb48f84 | 340 | log_err("%s: you need to specify size=\n", td->o.name); |
e1161c32 | 341 | td_verror(td, EINVAL, "total_file_size"); |
53cdc686 JA |
342 | return 1; |
343 | } | |
344 | ||
7bb48f84 JA |
345 | /* |
346 | * now file sizes are known, so we can set ->io_size. if size= is | |
347 | * not given, ->io_size is just equal to ->real_file_size. if size | |
348 | * is given, ->io_size is size / nr_files. | |
349 | */ | |
350 | extend_size = total_size = 0; | |
351 | need_extend = 0; | |
352 | for_each_file(td, f, i) { | |
353 | if (!td->o.file_size_low) { | |
354 | /* | |
355 | * no file size range given, file size is equal to | |
356 | * total size divided by number of files. if that is | |
357 | * zero, set it to the real file size. | |
358 | */ | |
359 | f->io_size = td->o.size / td->o.nr_files; | |
360 | if (!f->io_size) | |
361 | f->io_size = f->real_file_size; | |
362 | } else if (f->real_file_size < td->o.file_size_low || | |
363 | f->real_file_size > td->o.file_size_high) { | |
364 | /* | |
365 | * file size given. if it's fixed, use that. if it's a | |
366 | * range, generate a random size in-between. | |
367 | */ | |
368 | if (td->o.file_size_low == td->o.file_size_high) | |
369 | f->io_size = td->o.file_size_low; | |
370 | else | |
371 | f->io_size = get_rand_file_size(td); | |
372 | } else | |
373 | f->io_size = f->real_file_size; | |
53cdc686 | 374 | |
7bb48f84 JA |
375 | if (f->io_size == -1ULL) |
376 | total_size = -1ULL; | |
377 | else | |
378 | total_size += f->io_size; | |
379 | ||
380 | if (f->filetype == FIO_TYPE_FILE && | |
381 | f->io_size > f->real_file_size && | |
382 | !(td->io_ops->flags & FIO_DISKLESSIO)) { | |
383 | need_extend++; | |
384 | extend_size += f->io_size; | |
385 | f->flags |= FIO_FILE_EXTEND; | |
386 | } | |
387 | } | |
53cdc686 | 388 | |
7bb48f84 JA |
389 | if (!td->o.size) |
390 | td->o.size = total_size; | |
21972cde | 391 | |
7bb48f84 JA |
392 | /* |
393 | * See if we need to extend some files | |
394 | */ | |
395 | if (need_extend) { | |
396 | temp_stall_ts = 1; | |
397 | log_info("%s: Laying out IO file(s) (%u files / %LuMiB)\n", | |
398 | td->o.name, need_extend, extend_size >> 20); | |
399 | ||
400 | for_each_file(td, f, i) { | |
401 | if (!(f->flags & FIO_FILE_EXTEND)) | |
402 | continue; | |
403 | ||
409b3417 | 404 | assert(f->filetype == FIO_TYPE_FILE); |
7bb48f84 JA |
405 | f->flags &= ~FIO_FILE_EXTEND; |
406 | f->real_file_size = f->io_size; | |
407 | err = extend_file(td, f); | |
408 | if (err) | |
409 | break; | |
410 | } | |
411 | temp_stall_ts = 0; | |
412 | } | |
413 | ||
414 | if (err) | |
415 | return err; | |
416 | ||
417 | if (!td->o.zone_size) | |
418 | td->o.zone_size = td->o.size; | |
419 | ||
420 | td->total_io_size = td->o.size * td->o.loops; | |
421 | return 0; | |
53cdc686 JA |
422 | } |
423 | ||
68727076 JA |
424 | int init_random_map(struct thread_data *td) |
425 | { | |
426 | int num_maps, blocks; | |
427 | struct fio_file *f; | |
428 | unsigned int i; | |
429 | ||
430 | if (td->o.norandommap) | |
431 | return 0; | |
432 | ||
433 | for_each_file(td, f, i) { | |
434 | blocks = (f->real_file_size + td->o.rw_min_bs - 1) / td->o.rw_min_bs; | |
435 | num_maps = (blocks + BLOCKS_PER_MAP-1)/ BLOCKS_PER_MAP; | |
436 | f->file_map = malloc(num_maps * sizeof(long)); | |
437 | if (!f->file_map) { | |
438 | log_err("fio: failed allocating random map. If running a large number of jobs, try the 'norandommap' option\n"); | |
439 | return 1; | |
440 | } | |
441 | f->num_maps = num_maps; | |
442 | memset(f->file_map, 0, num_maps * sizeof(long)); | |
443 | } | |
444 | ||
445 | return 0; | |
446 | } | |
447 | ||
53cdc686 JA |
448 | void close_files(struct thread_data *td) |
449 | { | |
0ab8db89 | 450 | struct fio_file *f; |
af52b345 | 451 | unsigned int i; |
53cdc686 | 452 | |
0ab8db89 | 453 | for_each_file(td, f, i) { |
fa1da865 JA |
454 | if ((f->flags & FIO_FILE_UNLINK) && |
455 | f->filetype == FIO_TYPE_FILE) | |
132ad46d | 456 | unlink(f->file_name); |
bdb4e2e9 | 457 | |
b5af8293 | 458 | td_io_close_file(td, f); |
b3dc7f07 | 459 | |
fa1da865 JA |
460 | free(f->file_name); |
461 | f->file_name = NULL; | |
462 | ||
c343981b | 463 | if (f->file_map) { |
b3dc7f07 | 464 | free(f->file_map); |
c343981b JA |
465 | f->file_map = NULL; |
466 | } | |
53cdc686 | 467 | } |
b4a6a59a | 468 | |
2dc1bbeb | 469 | td->o.filename = NULL; |
cade3ef4 | 470 | free(td->files); |
b4a6a59a | 471 | td->files = NULL; |
2dc1bbeb | 472 | td->o.nr_files = 0; |
53cdc686 | 473 | } |
af52b345 | 474 | |
e3bab463 | 475 | static void get_file_type(struct fio_file *f) |
af52b345 JA |
476 | { |
477 | struct stat sb; | |
478 | ||
479 | f->filetype = FIO_TYPE_FILE; | |
480 | ||
e3bab463 | 481 | if (!lstat(f->file_name, &sb)) { |
af52b345 JA |
482 | if (S_ISBLK(sb.st_mode)) |
483 | f->filetype = FIO_TYPE_BD; | |
484 | else if (S_ISCHR(sb.st_mode)) | |
485 | f->filetype = FIO_TYPE_CHAR; | |
486 | } | |
487 | } | |
488 | ||
489 | void add_file(struct thread_data *td, const char *fname) | |
490 | { | |
7b4e4fe5 | 491 | int cur_files = td->files_index; |
bd0ee748 | 492 | char file_name[PATH_MAX]; |
af52b345 | 493 | struct fio_file *f; |
bd0ee748 | 494 | int len = 0; |
af52b345 JA |
495 | |
496 | td->files = realloc(td->files, (cur_files + 1) * sizeof(*f)); | |
497 | ||
498 | f = &td->files[cur_files]; | |
499 | memset(f, 0, sizeof(*f)); | |
500 | f->fd = -1; | |
bd0ee748 JA |
501 | |
502 | if (td->o.directory) | |
503 | len = sprintf(file_name, "%s/", td->o.directory); | |
504 | ||
505 | sprintf(file_name + len, "%s", fname); | |
506 | f->file_name = strdup(file_name); | |
af52b345 | 507 | |
e3bab463 | 508 | get_file_type(f); |
af52b345 | 509 | |
7b4e4fe5 | 510 | td->files_index++; |
1549441c JA |
511 | if (f->filetype == FIO_TYPE_FILE) |
512 | td->nr_normal_files++; | |
af52b345 | 513 | } |
0ad920e7 JA |
514 | |
515 | void get_file(struct fio_file *f) | |
516 | { | |
517 | f->references++; | |
518 | } | |
519 | ||
520 | void put_file(struct thread_data *td, struct fio_file *f) | |
521 | { | |
522 | if (!(f->flags & FIO_FILE_OPEN)) | |
523 | return; | |
524 | ||
525 | assert(f->references); | |
526 | if (--f->references) | |
527 | return; | |
528 | ||
2dc1bbeb | 529 | if (should_fsync(td) && td->o.fsync_on_close) |
ebb1415f JA |
530 | fsync(f->fd); |
531 | ||
0ad920e7 JA |
532 | if (td->io_ops->close_file) |
533 | td->io_ops->close_file(td, f); | |
1020a139 | 534 | |
0ad920e7 JA |
535 | td->nr_open_files--; |
536 | f->flags &= ~FIO_FILE_OPEN; | |
537 | } | |
bbf6b540 JA |
538 | |
539 | static int recurse_dir(struct thread_data *td, const char *dirname) | |
540 | { | |
541 | struct dirent *dir; | |
542 | int ret = 0; | |
543 | DIR *D; | |
544 | ||
545 | D = opendir(dirname); | |
546 | if (!D) { | |
0ddb270c JA |
547 | char buf[FIO_VERROR_SIZE]; |
548 | ||
549 | snprintf(buf, FIO_VERROR_SIZE - 1, "opendir(%s)", dirname); | |
550 | td_verror(td, errno, buf); | |
bbf6b540 JA |
551 | return 1; |
552 | } | |
553 | ||
554 | while ((dir = readdir(D)) != NULL) { | |
555 | char full_path[PATH_MAX]; | |
556 | struct stat sb; | |
557 | ||
e85b2b83 JA |
558 | if (!strcmp(dir->d_name, ".") || !strcmp(dir->d_name, "..")) |
559 | continue; | |
96d32d51 | 560 | |
bbf6b540 JA |
561 | sprintf(full_path, "%s/%s", dirname, dir->d_name); |
562 | ||
563 | if (lstat(full_path, &sb) == -1) { | |
564 | if (errno != ENOENT) { | |
565 | td_verror(td, errno, "stat"); | |
566 | return 1; | |
567 | } | |
568 | } | |
569 | ||
570 | if (S_ISREG(sb.st_mode)) { | |
571 | add_file(td, full_path); | |
2dc1bbeb | 572 | td->o.nr_files++; |
bbf6b540 JA |
573 | continue; |
574 | } | |
0ddb270c JA |
575 | if (!S_ISDIR(sb.st_mode)) |
576 | continue; | |
bbf6b540 | 577 | |
bbf6b540 JA |
578 | if ((ret = recurse_dir(td, full_path)) != 0) |
579 | break; | |
580 | } | |
581 | ||
582 | closedir(D); | |
583 | return ret; | |
584 | } | |
585 | ||
586 | int add_dir_files(struct thread_data *td, const char *path) | |
587 | { | |
0ddb270c JA |
588 | int ret = recurse_dir(td, path); |
589 | ||
590 | if (!ret) | |
591 | log_info("fio: opendir added %d files\n", td->o.nr_files); | |
592 | ||
593 | return ret; | |
bbf6b540 | 594 | } |
cade3ef4 JA |
595 | |
596 | void dup_files(struct thread_data *td, struct thread_data *org) | |
597 | { | |
598 | struct fio_file *f; | |
599 | unsigned int i; | |
600 | size_t bytes; | |
601 | ||
602 | if (!org->files) | |
603 | return; | |
604 | ||
605 | bytes = org->files_index * sizeof(*f); | |
606 | td->files = malloc(bytes); | |
607 | memcpy(td->files, org->files, bytes); | |
608 | ||
609 | for_each_file(td, f, i) { | |
610 | if (f->file_name) | |
611 | f->file_name = strdup(f->file_name); | |
612 | } | |
613 | } |